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Greenwich LifeSciences (GLSI) Institutional Ownership

Greenwich LifeSciences logo
$15.95 +0.32 (+2.05%)
As of 09/4/2026 04:00 PM Eastern
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Institutional Ownership Changes (13F Filings) for Greenwich LifeSciences (NASDAQ:GLSI)

Current
Institutional Ownership
Percentage
4.16%
Number of
Institutional Buyers
(last 12 months)
19
Total
Institutional Inflows
(last 12 months)
$17.50M
Number of
Institutional Sellers
(last 12 months)
4
Total
Institutional Outflows
(last 12 months)
$1.44M
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GLSI Institutional Buying and Selling by Quarter

Greenwich LifeSciences Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/24/2026 California State Teachers Retirement System2,111$50K0.0%+522.7%0.014%
8/20/2026 Ancora Advisors LLC10,740$252K0.0%-71.4%0.073%
8/14/2026 Ancora Advisors LLC10,740$252K0.0%N/A0.073%
8/7/2026 BlackRock Inc.485,854$11.40M0.0%N/A3.310%
8/7/2026 Deutsche Bank AG5,351$126K0.0%N/A0.036%
8/6/2026 Bank of New York Mellon Corp47,900$1.12M0.0%N/A0.326%
8/6/2026 GSA Capital Partners LLP19,543$458K0.0%N/A0.133%
5/14/2026 Sei Investments Co.26,088$627K0.0%N/A0.188%
5/5/2026 Bank of New York Mellon Corp46,523$1.12M0.0%+235.5%0.336%
4/25/2026 Strs Ohio13,700$329K0.0%+140.4%0.099%
2/23/2026 Virtu Financial LLC28,797$605K0.0%N/A0.208%
2/18/2026 XTX Topco Ltd10,325$217K0.0%N/A0.075%
2/18/2026 Man Group plc28,068$590K0.0%N/A0.203%
2/16/2026 Barclays PLC9,744$205K0.0%+11.8%0.070%
2/13/2026 State Street Corp97,777$2.05M0.0%+19.3%0.706%
2/13/2026 Wells Fargo & Company MN7,845$165K0.0%+109.6%0.057%
2/12/2026 Jane Street Group LLC9,677$203K0.0%N/A0.070%
2/11/2026 Deutsche Bank AG6,051$127K0.0%-71.9%0.044%
2/10/2026 Goldman Sachs Group Inc.21,545$453K0.0%+8.6%0.156%
2/9/2026 Geode Capital Management LLC151,684$3.19M0.0%+6.7%1.095%
2/2/2026 Strs Ohio5,700$120K0.0%-71.5%0.041%
11/17/2025 Millennium Management LLC15,498$154K0.0%-54.7%0.112%
11/17/2025 Citadel Advisors LLC20,942$208K0.0%+52.1%0.151%
11/7/2025Vanguard Group Inc.282,181$2.81M0.0%+4.9%2.037%
8/13/2025 Marshall Wace LLP56,142$509K0.0%N/A0.420%
8/8/2025 Police & Firemen s Retirement System of New Jersey2,768$25K0.0%N/A0.021%
8/8/2025 Geode Capital Management LLC138,982$1.26M0.0%+1.4%1.040%
5/29/2025Rhumbline Advisers9,673$92K0.0%+48.7%0.072%
5/28/2025Strs Ohio18,600$177K0.0%N/A0.139%
5/13/2025HighTower Advisors LLC15,407$147K0.0%N/A0.116%
5/9/2025Charles Schwab Investment Management Inc.19,007$181K0.0%+15.5%0.143%
4/8/2025Rhumbline Advisers9,673$92K0.0%+48.7%0.074%
4/7/2025GAMMA Investing LLC1,202$126K0.0%N/A0.009%
2/17/2025Bank of America Corp DE7,262$82K0.0%+22.3%0.055%
2/14/2025Northern Trust Corp87,423$982K0.0%+17.3%0.665%
2/13/2025Barclays PLC9,648$108K0.0%+12.7%0.073%
2/13/2025Renaissance Technologies LLC22,700$255K0.0%-30.2%0.173%
2/13/2025Wells Fargo & Company MN2,847$32K0.0%+54.8%0.022%
2/12/2025Brown Brothers Harriman & Co.4,000$45K0.0%N/A0.030%
2/12/2025JPMorgan Chase & Co.7,061$79K0.0%+172.0%0.054%
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12/10/2024Garden State Investment Advisory Services LLC17,600$253K0.1%N/A0.134%
11/19/2024Barclays PLC8,560$123K0.0%+323.3%0.065%
11/16/2024Geode Capital Management LLC133,550$1.92M0.0%+4.6%1.016%
11/15/2024Barclays PLC8,560$123K0.0%+323.3%0.065%
11/15/2024State Street Corp71,408$1.03M0.0%+4.4%0.543%
11/15/2024Garden State Investment Advisory Services LLC17,600$253K0.1%N/A0.134%
11/12/2024Charles Schwab Investment Management Inc.16,455$236K0.0%-10.8%0.125%
8/1/2024Rhumbline Advisers6,799$117K0.0%N/A0.053%
7/26/2024Bank of New York Mellon Corp15,295$264K0.0%N/A0.119%
5/10/2024Vanguard Group Inc.223,102$4.45M0.0%+0.6%1.732%
2/14/2023683 Capital Management LLC11,700$178K0.0%N/A0.091%
11/15/2022Pura Vida Investments LLC19,667$179K0.0%N/A0.153%
8/8/2022Walleye Capital LLC10,656$90K0.0%N/A0.082%


GLSI Institutional Ownership - Frequently Asked Questions

During the previous two years, 32 institutional investors and hedge funds held shares of Greenwich LifeSciences. The most heavily invested institutionals were BlackRock Inc. ($11.40M), Geode Capital Management LLC ($3.19M), Vanguard Group Inc. ($2.81M), State Street Corp ($2.05M), Bank of New York Mellon Corp ($1.12M), Northern Trust Corp ($982K), and Sei Investments Co. ($627K).Learn more on Greenwich LifeSciences' institutional investors.

4.16% of Greenwich LifeSciences' stock is owned by institutional investors. Learn more on GLSI's institutional investor holdings.

Of the 30 institutional investors that purchased Greenwich LifeSciences' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($485.85K), Bank of New York Mellon Corp ($80.56K), Marshall Wace LLP ($56.14K), Garden State Investment Advisory Services LLC ($35.20K), Virtu Financial LLC ($28.80K), Man Group plc ($28.07K), and Strs Ohio ($26.60K).

Institutional investors have bought a total of 767,356 shares in the last 24 months. This purchase volume represents approximately $17.50M in transactions.

The following institutional investors have sold Greenwich LifeSciences stock in the last 24 months: Ancora Advisors LLC ($26.76K), Millennium Management LLC ($18.68K), Deutsche Bank AG ($15.45K), and Strs Ohio ($14.30K).

Institutional investors have sold a total of 75,194 shares in the last 24 months. This volume of shares sold represents approximately $1.44M in transactions.


Related Companies

Institutional ownership data for NASDAQ:GLSI is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/24/2026. New 13F filings are added each quarter as they're published.
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